A disposable laparoscopic trocar
A laparoscopic, disposable technology, applied in the direction of puncture needles, puncture needles, catheters, etc., can solve the problems of harmful debris, damage to the sealing performance of the puncture device, damage, etc., and achieve mild conditions, good hydrophilicity and biological phase capacitive effect
Active Publication Date: 2021-06-01
SHANGHAI KANGDELAI ENTERPRISE DEV GRP CO LTD
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Problems solved by technology
When the puncture rod is in contact with the lubricating component, the sharp structure of the front part of the puncture rod will damage the medical elastic porous material, especially after the puncture rod or surgical instrument has been punctured many times, the damage is more serious. The broken porous material is prone to debris, and the debris enters the human body is dangerous
In addition, choosing medical silicone oil as a lubricant will cause the sealing components made of silicone material to dissolve with silicone oil, which will damage the sealing performance of the trocar
[0010] It can be seen that the above-mentioned disclosed patents do not solve the resistance problem well, and thus need to continue to improve
Method used
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[0023] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the specific embodiments thereof will be described in detail below with reference to the accompanying drawings:
[0024] see figure 1 and figure 2 , the preferred embodiment of the present invention, a disposable laparoscopic trocar, comprising a puncture cannula 3, a seal 2, a puncture rod assembly 1 and an air intake assembly 4, the seal 2 is arranged on the puncture cannula 3, The puncture rod assembly 1 includes a puncture rod base 11 and a puncture rod 12, the puncture rod 12 is an equal diameter rod body, and the tail end of the puncture rod 12 is connected with the puncture rod base 11, and the head end of the puncture rod 12 contracts into a conical shape. The head end of the puncture rod passes through the seal 2 and is inserted into the puncture sleeve 3 , and the puncture rod base 11 is clamped on the puncture sleeve 3 ; the air intake assembly...
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Abstract
The invention discloses a disposable laparoscopic puncture device, comprising a puncture sleeve, a seal, a puncture rod assembly and an air intake assembly, the seal is made of silica gel containing self-lubricating agent, the puncture rod assembly includes a puncture rod base and A puncture rod, the puncture rod is an equal-diameter rod body, and the tail end of the puncture rod is connected to the base of the puncture rod, the head end of the puncture rod shrinks into a conical shape, and the head end of the puncture rod passes through the seal and is inserted into the The piercing sleeve, and the base of the piercing rod is clamped on the piercing sleeve; the piercing rod is made of SUS304 material; the outer surface of the piercing rod is provided with a solid lubricating layer, and the solid lubricating layer A liquid lubricating layer is provided on the outer surface. In the disposable laparoscopic trocar of the present invention, the seal and the puncture rod assembly are improved in combination, and have a self-lubricating effect, so that the puncture rod and surgical instruments can smoothly enter and exit the puncture while ensuring the sealing performance of the seal. casing.
Description
technical field [0001] The invention relates to a disposable laparoscopic trocar, which is a laparoscopic supporting surgical instrument, which is suitable for establishing a working channel during laparoscopic examination and operation. Background technique [0002] With the development of medicine and the improvement of people's health awareness, laparoscopic surgery is playing an increasingly important role in minimally invasive surgery due to its advantages of less trauma, faster recovery, less postoperative pain, and shorter hospital stay. The clinical application of minimally invasive surgery advocated is also becoming more and more extensive. [0003] The principle of laparoscopic surgery is to use carbon dioxide gas to create artificial pneumoperitoneum as an observation and operation space; use a puncture device to puncture several small holes of 0.5-1.0 cm in the abdominal wall to establish a channel between the abdominal cavity and the outside world; insert the be...
Claims
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IPC IPC(8): A61B17/34C08L83/07C08L83/04C08K3/36C08K5/20C09D4/06
CPCA61B17/3417A61B2017/3419A61B2017/3445C08L83/04C08L2205/025C08L2205/035C09D4/06C08K3/36C08K5/20
Inventor 刘安东李军生颜东玺
Owner SHANGHAI KANGDELAI ENTERPRISE DEV GRP CO LTD